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Control.com topic...
Sensors
Topic: Sensor technologies.
from the Forum department...
Re-calibrating Rosemount Transmitters
Originally posted by shep on 25 July, 2014 - 8:52 pm
Re-calibrating Rosemount Transmitters after power is removed?
New Replies:
No only if you do a complete reset on it. The reset will take it back to the factory defaults but a...
Topic: Power generation equipment control.
from the Thermocouple department...
MARK VIe Thermocouples
Originally posted by Yassar on 27 July, 2014 - 1:53 pm
Questions about thermocouples and MARK VIe
New Replies:
Yassar, One of the better manuals produced by GE, the Mark VIe System Guide, GEH-6721, has some...
Topic: Sensor technologies.
from the Control Systems department...
1oo2 voting for temperature transmitter
Originally posted by christine on 23 July, 2014 - 4:30 am
1oo2 voting for temperature transmitter
New Replies:
http://www.controleng.com/single-article/monitoring-critical-vessel-te mperature/224a1b309e.html ...
you might consider placement in valve-free connecting pipe, but that depends on a number of...
Topic: Application Questions and Problems
from the CBM department...
lube oil level
Originally posted by syed on 14 July, 2014 - 9:24 am
Which Lube oil tnk level to be used: Absolute or relative
New Replies:
Sam, great detail you have provide. Thank you very much for the response. This is really...
Something to take into consideration is that the pressure at the bottom of a column of liquid will...
Sam, thanks for your reply. You have given an excellent point that i cannot really find in any...
In most cases there is a reason for measuring the level of a product in a vessel and that is to...
Topic: Sensor technologies.
from the Instrumentation department...
analog 4-20mA output transmision
Originally posted by Kiyani on 10 May, 2012 - 6:02 pm
Analyzers analog output signal 4-20mA transmission
New Replies:
Is it safe to run analog and digital instrument signals in the same mulicore cable? multicore is...
Originally posted by ANA on 12 July, 2014 - 3:11 pm
Single controller for multiple purposes
New Replies:
Sound a lot like a split range control that you need to do in this application. In a split range...
I am assuming that the final output of the flow controller is a position command to a control...
of course simulteous control is not possible, but to talk about valves in a specific...
Topic: Continuous process industries, DCS questions.
from the INSTRUMENT department...
Reading Hot Thermocouple
Originally posted by RAJESH on 6 July, 2014 - 4:34 pm
Does a hot thermocouple in junction box give an actual reading?
New Replies:
good answer >> if the connections are made properly and proper thermocouple extension...
Just a clarification on the condition of both thermocouple leads having cold junctions. The cold...
excellent description of the problem faced and how to get proper readings...
> if the connections are made properly and proper thermocouple extension wiring > and...
if the connections are made properly and proper thermocouple extension wiring and terminal blocks...
Topic: Sensor technologies.
from the Forum department...
Research on sensors
Posted by Adom David on 11 July, 2014 - 5:00 am
Calculation of Reliability and MTBF OF SENSORS
Originally posted by tech77 on 16 May, 2011 - 6:17 am
Magnetic pickup - amplitude or frequency
New Replies:
Ramana, There is a lot of good and applicable information in the previous posts to this thread....
Dear friend, Please need a help about magnetic pickup unit sensor. Am confused about the sensor...
Topic: Sensor technologies.
from the Doors department...
Limit switch
Originally posted by Kevlonski on 4 July, 2014 - 8:51 am
Looking for limit switch compatibility between VDC and VAC
New Replies:
According to the catalog page from the Grainger website, your switch is rated at 15A, 480VAC/DC, so...
Originally posted by Joe on 29 June, 2014 - 7:10 am
Differential pressure as tank level incorrect reading
New Replies:
I haven't a clue what your supplier actually provided. You need to ask them to be very specific...
I thank you so much guys for your answers. The range is 0-2.8 bars by the way. The supplier gave me...
Presumably this is liquid CO2 in a pressurized vessel? You probably have the wrong DP pressure...
d/p = delta L[m] * density[Kgf/m3] for d/p in Kgf/m2 likely that you transmitter is spanned...
Topic: Continuous process industries, DCS questions.
from the Slurry Density Measurement department...
Slurry Density Measurement
Originally posted by Peter Green on 30 January, 2007 - 11:59 pm
Are there reliable alternatives available to measuring slurry density except for the Gamma radiation method?
New Replies:
By Marius de Vries on 26 June, 2014 - 4:33 am -
Yes, there is now! We are manufacturer of ceramic ultrasonic sonochemistry analyzers for slurry...
Topic: Continuous process industries, DCS questions.
from the Instrumentation department...
Instrument Control Loop
Posted by Waqar Ahmed on 26 June, 2014 - 3:18 am
Maintenance procedure of process control loop.
Topic: Sensor technologies.
from the EE department...
difference between NPN/PNP Sensors
Originally posted by majid on 8 October, 2006 - 4:57 pm
what is difference?
New Replies:
Hello, Very good explanation on the sinking and sourcing. So, please correct me if I'm wrong......
Topic: Sensor technologies.
from the Forum department...
Shorten The Range Of Thermocouple
Originally posted by A. Castolina on 24 June, 2014 - 9:45 pm
How to shorten the range of Thermocouple in order to have a better acuuracy in reading
New Replies:
A t/c is not suitable for that purpose (extremely low signal), recommend that you consider using...
Thermocouple is for higher temp. transmitter will give you turn down up to 10:1 ( depends upon...
Topic: Motion control, servos, steppers, etc.
from the Instrument &Control department...
Control Valve Positioner Action & Travel Scale
Originally posted by Kazim on 4 December, 2013 - 10:01 am
Control Valve FF positioner (Masoneilan FVP-110) Action (Direct/Reverse) and travel scale range.
New Replies:
Please take note that there are 3 actions/parameters which determines the final valve travel...
Originally posted by Tulus Lubis on 5 June, 2014 - 1:01 am
Standard installation for Gas Flow Measuring with Pressure and Temperature compensation.
New Replies:
I just thought locating the PT static pressure tap at the high side DP tap and keeping a thermowell...
Dear Mr David, Thank you for response, but do you have the reference for this installation. I...
Thermowells are downstream of the orifice beyond the meter run length. Before multivariables...
Posted by Johs on 15 June, 2014 - 11:16 pm
Installing a Gas Detector in Double Wall of Storage Tank
Originally posted by Ben Kinsella on 13 June, 2008 - 7:06 pm
Is it possible to plug and play?
New Replies:
Modbus does not support auto discovery...
Topic: Continuous process industries, DCS questions.
from the Sensing department...
0-10v signals
Posted by Paul on 8 June, 2014 - 12:53 pm
Sending multiple 0-10v dc signals
Topic: Sensor technologies.
from the need program code department...
Kay-Ray Sensall Level Commander LC-I
Posted by Mike on 7 June, 2014 - 9:35 pm
Changing parameters on a Kay-Ray Sensall Level Commander
Posted by Ben on 7 June, 2014 - 2:34 pm
Reading a voltage from a battery in to an analog input on my Siemens logo
Originally posted by Geir on 20 February, 2014 - 4:46 pm
Connection problem AMS - HART multiplexer via MOXA ethernet to RS485 device server.
New Replies:
Geir, did you end up getting the AMS to talk to the P&F multiplexer through the Moxa 5150? ...
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